196481967490 has 32 divisors (see below), whose sum is σ = 357825625920. Its totient is φ = 77672278464.

The previous prime is 196481967467. The next prime is 196481967503. The reversal of 196481967490 is 94769184691.

It is a super-3 number, since 3×196481967490³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229204 + ... + 667456.

It is an arithmetic number, because the mean of its divisors is an integer number (11182050810).

Almost surely, 2^196481967490 is an apocalyptic number.

196481967490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196481967490 is a deficient number, since it is larger than the sum of its proper divisors (161343658430).

196481967490 is a wasteful number, since it uses less digits than its factorization.

196481967490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438786.

The product of its (nonzero) digits is 23514624, while the sum is 64.

The spelling of 196481967490 in words is "one hundred ninety-six billion, four hundred eighty-one million, nine hundred sixty-seven thousand, four hundred ninety".